(19)

(11)

EP 3 802 798 A1

(12)

(43) Date of publication: 14.04.2021 Bulletin 2021/15 (21) Application number: 19811980.2 (22) Date of filing: 31.05.2019

(51) International Patent Classification (IPC):  C12N 5/0783(2010.01) A61K 35/17(2015.01) C07K 14/705(2006.01) (86) International application number: PCT/US2019/035010 (87) International publication number: WO 2019/232444 (05.12.2019 Gazette 2019/49)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 31.05.2018 US 201862678878 P 31.01.2019 US 201962799513 P (71) Applicant: Washington University St. Louis, Missouri 63130 (US)	(72) Inventors: COOPER, Matthew St. Louis, Missouri 63130 (US) DIPERSIO, John F. St. Louis, Missouri 63130 (US) O'NEAL, Julie St. Louis, Missouri 63130 (US) (74) Representative: Greaves Brewster LLP  Copa House Station Road Cheddar, Somerset BS27 3AH Cheddar, Somerset BS27 3AH (GB)